In this set of exercises, we will work with files from statistical software. The first tasks are about importing data, while the later ones are about labelling and exporting.
.sav version of the data from the German General Social Survey - ALLBUS 2021.
haven package for this. The file should be stored in the data folder.
Unlike in flat files, such as CSV, the variables now have labels.
sjlabelled package for this. Remember that you can use [ ] ro subset columns/variables (we only want to print the labels for the first ten variables).
Unfortunately, it’s all in German. Imagine you are a political scientist working on a publication in English, and you are interested in the variable pa01 (left-right self-placement). So you may want to consider translating the variable into English.
pa01 from “LINKS-RECHTS-SELBSTEINSTUFUNG, BEFR.” to “left-right self-placement”.
sjlabelled for this.
Your collaborators ask you to share the data after changing labels and stuff. Unfortunately, they do not use R, SPSS or even Stata and, hence, asks you to export your data as a SAS file.
sas7bdat).
haven package provides a function for writing such files that is called and works in a similar way as the corresponding function for importing data in this particular format.